Home / 112,014.67-154,579.78-61,027.25

Finding the Fourth Proportional to 112,014.67, 154,579.78 and 61,027.25

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Solution

The fourth proportional to 112,014.67, 154,579.78 and 61,027.25 is: 84,217.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,014.67 : 154,579.78 = 61,027.25 : x
  2. Step 2: Convert to fraction form
    112,014.67/154,579.78 = 61,027.25/x
  3. Step 3: Cross multiply
    112,014.67x = 154,579.78 × 61,027.25
  4. Step 4: Simplify right side
    112,014.67x = 9,433,578,879.01
  5. Step 5: Solve for x
    x = 9,433,578,879.01/112,014.67
  6. Step 6: Final answer
    x = 84,217.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.